NAG Library Chapter Contents

F12 (sparseig)
Large Scale Eigenproblems


F12 (sparseig) Chapter Introduction – a description of the Chapter and an overview of the algorithms available

Routine
Name
Mark of
Introduction

Purpose
f12aaf
Example Text
Example Data
21 nagf_sparseig_real_init
Initialization routine for (f12abf) computing selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric sparse (standard or generalized) eigenproblem
f12abf
Example Text
Example Data
21 nagf_sparseig_real_iter
Selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric sparse eigenproblem, reverse communication
f12acf
Example Text
Example Data
21 nagf_sparseig_real_proc
Selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric sparse eigenproblem, postprocessing for f12abf
f12adf
Example Text
Example Data
21 nagf_sparseig_real_option
Set a single option from a string (f12abf/f12acf/f12agf)
f12aef
Example Text
Example Data
21 nagf_sparseig_real_monit
Provides monitoring information for f12abf
f12aff 21 nagf_sparseig_real_band_init
Initialization routine for (f12agf) computing selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric banded (standard or generalized) eigenproblem
f12agf
Example Text
Example Data
21 nagf_sparseig_real_band_solve
Selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric banded eigenproblem, driver
f12anf
Example Text
Example Data
21 nagf_sparseig_complex_init
Initialization routine for (f12apf) computing selected eigenvalues and, optionally, eigenvectors of a complex sparse (standard or generalized) eigenproblem
f12apf
Example Text
Example Data
21 nagf_sparseig_complex_iter
Selected eigenvalues and, optionally, eigenvectors of a complex sparse eigenproblem, reverse communication
f12aqf
Example Text
Example Data
21 nagf_sparseig_complex_proc
Selected eigenvalues and, optionally, eigenvectors of a complex sparse eigenproblem, postprocessing for f12apf
f12arf
Example Text
Example Data
21 nagf_sparseig_complex_option
Set a single option from a string (f12apf/f12aqf)
f12asf
Example Text
Example Data
21 nagf_sparseig_complex_monit
Provides monitoring information for f12apf
f12atf 24 nagf_sparseig_complex_band_init
Initialization routine for f12auf computing selected eigenvalues and, optionally, eigenvectors of a complex banded (standard or generalized) eigenproblem
f12auf
Example Text
Example Data
24 nagf_sparseig_complex_band_solve
Selected eigenvalues and, optionally, eigenvectors of complex non-Hermitian banded eigenproblem, driver
f12faf
Example Text
Example Data
21 nagf_sparseig_real_symm_init
Initialization routine for (f12fbf) computing selected eigenvalues and, optionally, eigenvectors of a real symmetric sparse (standard or generalized) eigenproblem
f12fbf
Example Text
Example Data
21 nagf_sparseig_real_symm_iter
Selected eigenvalues and, optionally, eigenvectors of a real symmetric sparse eigenproblem, reverse communication
f12fcf
Example Text
Example Data
21 nagf_sparseig_real_symm_proc
Selected eigenvalues and, optionally, eigenvectors of a real symmetric sparse eigenproblem, postprocessing for f12fbf
f12fdf
Example Text
Example Data
21 nagf_sparseig_real_symm_option
Set a single option from a string (f12fbf/f12fcf/f12fgf)
f12fef
Example Text
Example Data
21 nagf_sparseig_real_symm_monit
Provides monitoring information for f12fbf
f12fff 21 nagf_sparseig_real_symm_band_init
Initialization routine for (f12fgf) computing selected eigenvalues and, optionally, eigenvectors of a real symmetric banded (standard or generalized) eigenproblem
f12fgf
Example Text
Example Data
21 nagf_sparseig_real_symm_band_solve
Selected eigenvalues and, optionally, eigenvectors of a real symmetric banded eigenproblem, driver